Deodorizing device



Feb. 17, 1959 B. scHKFER DEODORIZING DEVICE Filed Jan. 8, 1957 .lm emon'33mm 502.4% 0131 U United States Patent This invention relates to airfreshening, sweetening, neutralizing, perfuming, sterilizing,moth-proofing, insect repelling or otherwise air treating devicescommonly known as deodorizing devices.

More particularly stated, this invention relates to deodorizing devicesof the air circulating type. In this type the air to be treated passesthrough a casing adapted to receive the odorizing body.

A known device for insect repelling comprises a pair of telescopicmembers in rotative relation and adapted to present a series ofregistering apertures or parts from which the vapors may issue into thesurrounding. By turning one of the members the apertures may be closedor opened respectively.

It is a primary object of the invention to provide a deodorizing devicewhich will be most simple in structure, cheap to manufacture, easy toinstall on any smooth surface without necessitating screws, nails or thelike, and which is especially adapted for use in motor vehicles,airplanes or the like wherever mechanically moved air is at hand.

According to the invention this object as well as others are achieved byproviding a cylindrical casing which consists of a rear and a frontmember having telescopingly and rotatively engaging cylinder walls eachof which having at least two diametrically opposed apertures adapted toregister upon rotation of the front member. Centrally fastened to therear member there is a suction cup, made of resilient material, such asrubber, polyvinyl ester or the like, which extends with a projectionthrough the rear face wall into the interior of the casing. The centreof this projection is provided with a cavity, serving as the female partof a pushbutton while a central extension of the front casing memberserves as the male part of a pushbutton thus holding the casing membersresiliently and rotatively together. The central extension of the frontcasing member is at the same time adapted to receive the deodorizingbody.

With these objects in view together with others which will appear as thedescription proceeds, the invention resides in the novel formation,combination and arrangement of parts all as will be described more fullyhereinafter, illustrated in the drawing and particularly pointed out inthe claim.

In said drawings Fig. 1 is a longitudinal section of the device beingattached to the wind shield of a motor car in front of a ventilating airchannel,

Figure 2 is a front view of the device in open position,

Figure 3 is the rear casing member viewed towards the inlet opening,

Figure 4 is a plan view of the rear of the suction cup, Figure 5 is alongitudinal view of the rear casing member showing the manner ofattaching the suction cup thereto,

Figure 6 is a longitudinal section of the deodorizing body,

ice

Figure 7 is a longitudinal section of the front casing member.

The casing having a circular and relatively flat form is preferably madeof plastic material and consists of a rear and a from member 1 or 2respectively.

p A suction cup 3 known per se made of resilient material such asrubber, plastic material or the like is fastened to the rear member 1 byforcing a flange 4. of the suction cup through a square hole in the facewall 5 of the rear member 1.

A cavity 6 centrally arranged in that part of the suction cup 3extending into the casing is provided with an annular lip 7 adapted toreceive a flangelike head 8 of an extension 9 being centrally arrangedand projecting from the inside of the front casing member 2. Near itsroot the extension 9 is reinforced by ribs 10.

The rear member 1 has a cylindrical wall 11 which is slightly conical onthe inside and adapted to receive a cylinder wall 12 of the front casingmember 2 being slightly conical on the outside to fit into the rearcasing member 1.

An inlet opening for the air to be treated has been arranged in the wall11 of the rear casing member which is surrounded funnellike on threesides by a projecting wall 14.

An outlet opening 15 is arranged diametrically opposite of the inletopening 13. Corresponding apertures 16 and 17 have been arranged in thecylinder wall 12 of the front casing member 2.

A mark 18 has been provided at the front side of the wall 14 of the rearcasing member. The face wall of the front casing member 2 extendsflangelilte over the cylinder wall 1?. offering a good grip whenactuating this part. in the middle plane of the apertures 16 and 17marks 19 and 249 have been provided near the circumference of the facewall of the front casing member 2 which upon registering with the mark18 indicate that the apertures l3, l6 and i5, 17 are in line and fullyopen for the passage of air therethrough. The deodorizing body 22 madeof felt, blotting paper or the like is of circular shape having a centrehole 21 adapted to be placed on the extension 9 of the front casingmember 2. This deodorizing body may be saturated with perfume, insectrepelling fluid or the like.

In open position of the apertures 13, 16, 15, 17 indicated byregistration of the marks 18, 19 or 18, it} respectively the air to betreated passes the interior of the casing coming in contact with thedeodorizing body 22 and leaving the casing enriched with vapors ofdeodorant fluid.

The deodorizing device according to the invention is fastened to theinside'of a wind shield 23 by means of suction cup 3 in a manner knownper se adjacent to the outlet of an air channel 24.

I claim:

In a deodorizing device adapted to hold active material and including asubstantially. cylindrical open-top receptacle for said material; acover member telescopingly and rotatably engaging said receptacle; acentral opening in the bottom of the receptacle; and at least oneaperture each in the contacting cylindrical walls of the receptacle andof the cover member adapted to register upon mutual rotationaldisplacement of said receptacle and said cover member; the improvementcomprising connecting or coupling means for said receptacle and saidcover member;

said connecting or coupling means including a stem made of resilientmaterial and tightly penetrating said central opening in the bottom ofthe receptacle; a suction cup integral with said stem on one end thereofand located outside the receptacle back to back thereto; a button-likehead within the receptacle integral with said stem at the other endthereof and adapted to engage the bottom of 3 l 4 the receptacle and toretain the same in back to back the mouth thereof and beyond saidannular lip to engage contact with said suction cup; a cavity axiallyextending the same. into said stem from the inslde of the receptacle; anan- References Cited in the file of this patent nular lip at the mouthof said cavity extending inwardly thereinto; a bolt-like projectionintegral With the cover UNITED STATES PATENTS member and centrallyextending therefrom towards the 1,131,307 Wunschow Mar. 9, 1915 saidcavity of the stem; and a button-shaped head at the 1,149,890 BehrendtAug. 10, 1915 end of said projection adapted to enter said cavitythrough 1,732,028 Reiner Oct. 15, 1929

